21625917360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{320669}}^1$

素因数の和:320966

約数の個数: 80

約数和(自身を含む): 67279131360

約数和(自身を除く): 45653214000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 11240, 13488, 16860, 22480, 33720, 67440, 320669, 641338, 962007, 1282676, 1603345, 1924014, 2565352, 3206690, 3848028, 4810035, 5130704, 6413380, 7696056, 9620070, 12826760, 15392112, 19240140, 25653520, 38480280, 76960560, 90107989, 180215978, 270323967, 360431956, 450539945, 540647934, 720863912, 901079890, 1081295868, 1351619835, 1441727824, 1802159780, 2162591736, 2703239670, 3604319560, 4325183472, 5406479340, 7208639120, 10812958680, 21625917360]

約数ペア:

[(1, 21625917360), (2, 10812958680), (3, 7208639120), (4, 5406479340), (5, 4325183472), (6, 3604319560), (8, 2703239670), (10, 2162591736), (12, 1802159780), (15, 1441727824), (16, 1351619835), (20, 1081295868), (24, 901079890), (30, 720863912), (40, 540647934), (48, 450539945), (60, 360431956), (80, 270323967), (120, 180215978), (240, 90107989), (281, 76960560), (562, 38480280), (843, 25653520), (1124, 19240140), (1405, 15392112), (1686, 12826760), (2248, 9620070), (2810, 7696056), (3372, 6413380), (4215, 5130704), (4496, 4810035), (5620, 3848028), (6744, 3206690), (8430, 2565352), (11240, 1924014), (13488, 1603345), (16860, 1282676), (22480, 962007), (33720, 641338), (67440, 320669)]